Inovance IS300T080-C - Page 198

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No.
Fault
Phenomenon
Possible Cause Solution
improperly
(mainly Group
F1 motor
parameters).
7
DI terminal
inenabled
1. The parameter
is set wrongly.
2. The short circuit
copper bar
between OP
and +24V is
loosen.
3. Control board
fault.
1. Check and reset Group
F4 related parameters.
2. Reconnect the cables.
3. Consult the manufacturer.
8
In the close loop
vector control
mode, the motor
speed is always
low.
1. The PG is
damaged or
cable
connection is
wrong.
2. The internal
parts of the
driver are
damaged.
1. Replace the PG and
reconfirm the cable
connection.
2. Consult the manufacturer.
9
The driver
frequently reports
over current fault
and over voltage
fault.
1. The motor
parameters are
set wrongly.
2. Speed-up and
speed-down
time is
improper.
1. Reset Group F1
parameters or perform
motor tuning.
2. Set proper
speed-up/speed-down.
3. Consult the manufacturer.